Home / 118,242.10-163,171.02-64,527.76

Finding the Fourth Proportional to 118,242.10, 163,171.02 and 64,527.76

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Solution

The fourth proportional to 118,242.10, 163,171.02 and 64,527.76 is: 89,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,242.10 : 163,171.02 = 64,527.76 : x
  2. Step 2: Convert to fraction form
    118,242.10/163,171.02 = 64,527.76/x
  3. Step 3: Cross multiply
    118,242.10x = 163,171.02 × 64,527.76
  4. Step 4: Simplify right side
    118,242.10x = 10,529,060,417.52
  5. Step 5: Solve for x
    x = 10,529,060,417.52/118,242.10
  6. Step 6: Final answer
    x = 89,046.63

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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.