Home / 155,686.48-214,807.80-95,235.04

Finding the Fourth Proportional to 155,686.48, 214,807.80 and 95,235.04

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Solution

The fourth proportional to 155,686.48, 214,807.80 and 95,235.04 is: 131,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,686.48 : 214,807.80 = 95,235.04 : x
  2. Step 2: Convert to fraction form
    155,686.48/214,807.80 = 95,235.04/x
  3. Step 3: Cross multiply
    155,686.48x = 214,807.80 × 95,235.04
  4. Step 4: Simplify right side
    155,686.48x = 20,457,229,425.31
  5. Step 5: Solve for x
    x = 20,457,229,425.31/155,686.48
  6. Step 6: Final answer
    x = 131,400.17

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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.