Home / 112,360.18-155,056.02-61,372.90

Finding the Fourth Proportional to 112,360.18, 155,056.02 and 61,372.90

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Solution

The fourth proportional to 112,360.18, 155,056.02 and 61,372.90 is: 84,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,360.18 : 155,056.02 = 61,372.90 : x
  2. Step 2: Convert to fraction form
    112,360.18/155,056.02 = 61,372.90/x
  3. Step 3: Cross multiply
    112,360.18x = 155,056.02 × 61,372.90
  4. Step 4: Simplify right side
    112,360.18x = 9,516,237,223.74
  5. Step 5: Solve for x
    x = 9,516,237,223.74/112,360.18
  6. Step 6: Final answer
    x = 84,694.04

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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.