Home / 282,925.35-390,341.31-160,404.57

Finding the Fourth Proportional to 282,925.35, 390,341.31 and 160,404.57

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Solution

The fourth proportional to 282,925.35, 390,341.31 and 160,404.57 is: 221,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,925.35 : 390,341.31 = 160,404.57 : x
  2. Step 2: Convert to fraction form
    282,925.35/390,341.31 = 160,404.57/x
  3. Step 3: Cross multiply
    282,925.35x = 390,341.31 × 160,404.57
  4. Step 4: Simplify right side
    282,925.35x = 62,612,529,983.79
  5. Step 5: Solve for x
    x = 62,612,529,983.79/282,925.35
  6. Step 6: Final answer
    x = 221,304.06

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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.