Home / 144,543.12-216,833.76-64,581.72

Finding the Fourth Proportional to 144,543.12, 216,833.76 and 64,581.72

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Solution

The fourth proportional to 144,543.12, 216,833.76 and 64,581.72 is: 96,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,543.12 : 216,833.76 = 64,581.72 : x
  2. Step 2: Convert to fraction form
    144,543.12/216,833.76 = 64,581.72/x
  3. Step 3: Cross multiply
    144,543.12x = 216,833.76 × 64,581.72
  4. Step 4: Simplify right side
    144,543.12x = 14,003,497,174.87
  5. Step 5: Solve for x
    x = 14,003,497,174.87/144,543.12
  6. Step 6: Final answer
    x = 96,881.10

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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.