Home / 113,355.24-156,431.43-62,368.65

Finding the Fourth Proportional to 113,355.24, 156,431.43 and 62,368.65

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Solution

The fourth proportional to 113,355.24, 156,431.43 and 62,368.65 is: 86,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,355.24 : 156,431.43 = 62,368.65 : x
  2. Step 2: Convert to fraction form
    113,355.24/156,431.43 = 62,368.65/x
  3. Step 3: Cross multiply
    113,355.24x = 156,431.43 × 62,368.65
  4. Step 4: Simplify right side
    113,355.24x = 9,756,417,106.67
  5. Step 5: Solve for x
    x = 9,756,417,106.67/113,355.24
  6. Step 6: Final answer
    x = 86,069.40

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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.