Home / 141,758.16-212,726.26-57,518.68

Finding the Fourth Proportional to 141,758.16, 212,726.26 and 57,518.68

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Solution

The fourth proportional to 141,758.16, 212,726.26 and 57,518.68 is: 86,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,758.16 : 212,726.26 = 57,518.68 : x
  2. Step 2: Convert to fraction form
    141,758.16/212,726.26 = 57,518.68/x
  3. Step 3: Cross multiply
    141,758.16x = 212,726.26 × 57,518.68
  4. Step 4: Simplify right side
    141,758.16x = 12,235,732,325.31
  5. Step 5: Solve for x
    x = 12,235,732,325.31/141,758.16
  6. Step 6: Final answer
    x = 86,314.13

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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.