Home / 118,253.85-163,188.99-64,541.13

Finding the Fourth Proportional to 118,253.85, 163,188.99 and 64,541.13

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Solution

The fourth proportional to 118,253.85, 163,188.99 and 64,541.13 is: 89,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,253.85 : 163,188.99 = 64,541.13 : x
  2. Step 2: Convert to fraction form
    118,253.85/163,188.99 = 64,541.13/x
  3. Step 3: Cross multiply
    118,253.85x = 163,188.99 × 64,541.13
  4. Step 4: Simplify right side
    118,253.85x = 10,532,401,818.16
  5. Step 5: Solve for x
    x = 10,532,401,818.16/118,253.85
  6. Step 6: Final answer
    x = 89,066.04

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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.