Home / 176,429.16-243,633.63-112,878.60

Finding the Fourth Proportional to 176,429.16, 243,633.63 and 112,878.60

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Solution

The fourth proportional to 176,429.16, 243,633.63 and 112,878.60 is: 155,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,429.16 : 243,633.63 = 112,878.60 : x
  2. Step 2: Convert to fraction form
    176,429.16/243,633.63 = 112,878.60/x
  3. Step 3: Cross multiply
    176,429.16x = 243,633.63 × 112,878.60
  4. Step 4: Simplify right side
    176,429.16x = 27,501,023,067.32
  5. Step 5: Solve for x
    x = 27,501,023,067.32/176,429.16
  6. Step 6: Final answer
    x = 155,875.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.