Home / 254,931.60-382,397.40-148,643.40

Finding the Fourth Proportional to 254,931.60, 382,397.40 and 148,643.40

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Solution

The fourth proportional to 254,931.60, 382,397.40 and 148,643.40 is: 222,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,931.60 : 382,397.40 = 148,643.40 : x
  2. Step 2: Convert to fraction form
    254,931.60/382,397.40 = 148,643.40/x
  3. Step 3: Cross multiply
    254,931.60x = 382,397.40 × 148,643.40
  4. Step 4: Simplify right side
    254,931.60x = 56,840,849,687.16
  5. Step 5: Solve for x
    x = 56,840,849,687.16/254,931.60
  6. Step 6: Final answer
    x = 222,965.10

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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.