Home / 118,306.90-163,261.14-64,592.36

Finding the Fourth Proportional to 118,306.90, 163,261.14 and 64,592.36

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Solution

The fourth proportional to 118,306.90, 163,261.14 and 64,592.36 is: 89,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.90 : 163,261.14 = 64,592.36 : x
  2. Step 2: Convert to fraction form
    118,306.90/163,261.14 = 64,592.36/x
  3. Step 3: Cross multiply
    118,306.90x = 163,261.14 × 64,592.36
  4. Step 4: Simplify right side
    118,306.90x = 10,545,422,886.76
  5. Step 5: Solve for x
    x = 10,545,422,886.76/118,306.90
  6. Step 6: Final answer
    x = 89,136.16

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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.