Home / 288,500.04-432,799.47-88,816.50

Finding the Fourth Proportional to 288,500.04, 432,799.47 and 88,816.50

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Solution

The fourth proportional to 288,500.04, 432,799.47 and 88,816.50 is: 133,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,500.04 : 432,799.47 = 88,816.50 : x
  2. Step 2: Convert to fraction form
    288,500.04/432,799.47 = 88,816.50/x
  3. Step 3: Cross multiply
    288,500.04x = 432,799.47 × 88,816.50
  4. Step 4: Simplify right side
    288,500.04x = 38,439,734,127.26
  5. Step 5: Solve for x
    x = 38,439,734,127.26/288,500.04
  6. Step 6: Final answer
    x = 133,239.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.