Home / 118,425.64-163,424.38-64,710.92

Finding the Fourth Proportional to 118,425.64, 163,424.38 and 64,710.92

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Solution

The fourth proportional to 118,425.64, 163,424.38 and 64,710.92 is: 89,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,425.64 : 163,424.38 = 64,710.92 : x
  2. Step 2: Convert to fraction form
    118,425.64/163,424.38 = 64,710.92/x
  3. Step 3: Cross multiply
    118,425.64x = 163,424.38 × 64,710.92
  4. Step 4: Simplify right side
    118,425.64x = 10,575,341,980.23
  5. Step 5: Solve for x
    x = 10,575,341,980.23/118,425.64
  6. Step 6: Final answer
    x = 89,299.43

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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.