Home / 104,132.18-143,701.09-56,384.51

Finding the Fourth Proportional to 104,132.18, 143,701.09 and 56,384.51

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Solution

The fourth proportional to 104,132.18, 143,701.09 and 56,384.51 is: 77,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,132.18 : 143,701.09 = 56,384.51 : x
  2. Step 2: Convert to fraction form
    104,132.18/143,701.09 = 56,384.51/x
  3. Step 3: Cross multiply
    104,132.18x = 143,701.09 × 56,384.51
  4. Step 4: Simplify right side
    104,132.18x = 8,102,514,686.65
  5. Step 5: Solve for x
    x = 8,102,514,686.65/104,132.18
  6. Step 6: Final answer
    x = 77,809.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.