Home / 130,592.25-180,220.95-74,007.27

Finding the Fourth Proportional to 130,592.25, 180,220.95 and 74,007.27

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Solution

The fourth proportional to 130,592.25, 180,220.95 and 74,007.27 is: 102,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,592.25 : 180,220.95 = 74,007.27 : x
  2. Step 2: Convert to fraction form
    130,592.25/180,220.95 = 74,007.27/x
  3. Step 3: Cross multiply
    130,592.25x = 180,220.95 × 74,007.27
  4. Step 4: Simplify right side
    130,592.25x = 13,337,660,506.31
  5. Step 5: Solve for x
    x = 13,337,660,506.31/130,592.25
  6. Step 6: Final answer
    x = 102,132.10

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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.