Home / 118,254.87-163,192.17-64,541.07

Finding the Fourth Proportional to 118,254.87, 163,192.17 and 64,541.07

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Solution

The fourth proportional to 118,254.87, 163,192.17 and 64,541.07 is: 89,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,254.87 : 163,192.17 = 64,541.07 : x
  2. Step 2: Convert to fraction form
    118,254.87/163,192.17 = 64,541.07/x
  3. Step 3: Cross multiply
    118,254.87x = 163,192.17 × 64,541.07
  4. Step 4: Simplify right side
    118,254.87x = 10,532,597,267.42
  5. Step 5: Solve for x
    x = 10,532,597,267.42/118,254.87
  6. Step 6: Final answer
    x = 89,066.92

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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.