Home / 288,117.37-432,177.08-88,437.77

Finding the Fourth Proportional to 288,117.37, 432,177.08 and 88,437.77

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Solution

The fourth proportional to 288,117.37, 432,177.08 and 88,437.77 is: 132,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,117.37 : 432,177.08 = 88,437.77 : x
  2. Step 2: Convert to fraction form
    288,117.37/432,177.08 = 88,437.77/x
  3. Step 3: Cross multiply
    288,117.37x = 432,177.08 × 88,437.77
  4. Step 4: Simplify right side
    288,117.37x = 38,220,777,200.31
  5. Step 5: Solve for x
    x = 38,220,777,200.31/288,117.37
  6. Step 6: Final answer
    x = 132,656.97

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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.