Home / 176,263.40-243,153.34-112,534.20

Finding the Fourth Proportional to 176,263.40, 243,153.34 and 112,534.20

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Solution

The fourth proportional to 176,263.40, 243,153.34 and 112,534.20 is: 155,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,263.40 : 243,153.34 = 112,534.20 : x
  2. Step 2: Convert to fraction form
    176,263.40/243,153.34 = 112,534.20/x
  3. Step 3: Cross multiply
    176,263.40x = 243,153.34 × 112,534.20
  4. Step 4: Simplify right side
    176,263.40x = 27,363,066,594.23
  5. Step 5: Solve for x
    x = 27,363,066,594.23/176,263.40
  6. Step 6: Final answer
    x = 155,239.64

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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.