Home / 153,792.24-212,271.96-86,763.12

Finding the Fourth Proportional to 153,792.24, 212,271.96 and 86,763.12

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Solution

The fourth proportional to 153,792.24, 212,271.96 and 86,763.12 is: 119,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,792.24 : 212,271.96 = 86,763.12 : x
  2. Step 2: Convert to fraction form
    153,792.24/212,271.96 = 86,763.12/x
  3. Step 3: Cross multiply
    153,792.24x = 212,271.96 × 86,763.12
  4. Step 4: Simplify right side
    153,792.24x = 18,417,377,538.12
  5. Step 5: Solve for x
    x = 18,417,377,538.12/153,792.24
  6. Step 6: Final answer
    x = 119,754.92

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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.