Home / 153,614.40-211,996.08-89,957.04

Finding the Fourth Proportional to 153,614.40, 211,996.08 and 89,957.04

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Solution

The fourth proportional to 153,614.40, 211,996.08 and 89,957.04 is: 124,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,614.40 : 211,996.08 = 89,957.04 : x
  2. Step 2: Convert to fraction form
    153,614.40/211,996.08 = 89,957.04/x
  3. Step 3: Cross multiply
    153,614.40x = 211,996.08 × 89,957.04
  4. Step 4: Simplify right side
    153,614.40x = 19,070,539,848.40
  5. Step 5: Solve for x
    x = 19,070,539,848.40/153,614.40
  6. Step 6: Final answer
    x = 124,145.52

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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.