Home / 113,503.47-156,632.50-71,085.39

Finding the Fourth Proportional to 113,503.47, 156,632.50 and 71,085.39

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Solution

The fourth proportional to 113,503.47, 156,632.50 and 71,085.39 is: 98,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,503.47 : 156,632.50 = 71,085.39 : x
  2. Step 2: Convert to fraction form
    113,503.47/156,632.50 = 71,085.39/x
  3. Step 3: Cross multiply
    113,503.47x = 156,632.50 × 71,085.39
  4. Step 4: Simplify right side
    113,503.47x = 11,134,282,349.18
  5. Step 5: Solve for x
    x = 11,134,282,349.18/113,503.47
  6. Step 6: Final answer
    x = 98,096.40

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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.