Home / 463,623.36-695,543.52-143,758.40

Finding the Fourth Proportional to 463,623.36, 695,543.52 and 143,758.40

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Solution

The fourth proportional to 463,623.36, 695,543.52 and 143,758.40 is: 215,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,623.36 : 695,543.52 = 143,758.40 : x
  2. Step 2: Convert to fraction form
    463,623.36/695,543.52 = 143,758.40/x
  3. Step 3: Cross multiply
    463,623.36x = 695,543.52 × 143,758.40
  4. Step 4: Simplify right side
    463,623.36x = 99,990,223,565.57
  5. Step 5: Solve for x
    x = 99,990,223,565.57/463,623.36
  6. Step 6: Final answer
    x = 215,671.24

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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.