Home / 316,823.25-437,108.43-180,759.45

Finding the Fourth Proportional to 316,823.25, 437,108.43 and 180,759.45

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Solution

The fourth proportional to 316,823.25, 437,108.43 and 180,759.45 is: 249,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,823.25 : 437,108.43 = 180,759.45 : x
  2. Step 2: Convert to fraction form
    316,823.25/437,108.43 = 180,759.45/x
  3. Step 3: Cross multiply
    316,823.25x = 437,108.43 × 180,759.45
  4. Step 4: Simplify right side
    316,823.25x = 79,011,479,397.16
  5. Step 5: Solve for x
    x = 79,011,479,397.16/316,823.25
  6. Step 6: Final answer
    x = 249,386.62

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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.