Home / 126,455.60-174,590.08-81,153.11

Finding the Fourth Proportional to 126,455.60, 174,590.08 and 81,153.11

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Solution

The fourth proportional to 126,455.60, 174,590.08 and 81,153.11 is: 112,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.60 : 174,590.08 = 81,153.11 : x
  2. Step 2: Convert to fraction form
    126,455.60/174,590.08 = 81,153.11/x
  3. Step 3: Cross multiply
    126,455.60x = 174,590.08 × 81,153.11
  4. Step 4: Simplify right side
    126,455.60x = 14,168,527,967.15
  5. Step 5: Solve for x
    x = 14,168,527,967.15/126,455.60
  6. Step 6: Final answer
    x = 112,043.50

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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.