Home / 113,801.40-157,099.08-66,045.52

Finding the Fourth Proportional to 113,801.40, 157,099.08 and 66,045.52

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Solution

The fourth proportional to 113,801.40, 157,099.08 and 66,045.52 is: 91,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.40 : 157,099.08 = 66,045.52 : x
  2. Step 2: Convert to fraction form
    113,801.40/157,099.08 = 66,045.52/x
  3. Step 3: Cross multiply
    113,801.40x = 157,099.08 × 66,045.52
  4. Step 4: Simplify right side
    113,801.40x = 10,375,690,430.12
  5. Step 5: Solve for x
    x = 10,375,690,430.12/113,801.40
  6. Step 6: Final answer
    x = 91,173.66

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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.