Home / 145,894.40-201,350.22-84,654.04

Finding the Fourth Proportional to 145,894.40, 201,350.22 and 84,654.04

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Solution

The fourth proportional to 145,894.40, 201,350.22 and 84,654.04 is: 116,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,894.40 : 201,350.22 = 84,654.04 : x
  2. Step 2: Convert to fraction form
    145,894.40/201,350.22 = 84,654.04/x
  3. Step 3: Cross multiply
    145,894.40x = 201,350.22 × 84,654.04
  4. Step 4: Simplify right side
    145,894.40x = 17,045,109,577.89
  5. Step 5: Solve for x
    x = 17,045,109,577.89/145,894.40
  6. Step 6: Final answer
    x = 116,831.83

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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.