Home / 128,624.04-193,001.85-61,232.22

Finding the Fourth Proportional to 128,624.04, 193,001.85 and 61,232.22

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Solution

The fourth proportional to 128,624.04, 193,001.85 and 61,232.22 is: 91,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,624.04 : 193,001.85 = 61,232.22 : x
  2. Step 2: Convert to fraction form
    128,624.04/193,001.85 = 61,232.22/x
  3. Step 3: Cross multiply
    128,624.04x = 193,001.85 × 61,232.22
  4. Step 4: Simplify right side
    128,624.04x = 11,817,931,739.61
  5. Step 5: Solve for x
    x = 11,817,931,739.61/128,624.04
  6. Step 6: Final answer
    x = 91,879.65

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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.