Home / 319,809.40-441,337.63-176,569.72

Finding the Fourth Proportional to 319,809.40, 441,337.63 and 176,569.72

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Solution

The fourth proportional to 319,809.40, 441,337.63 and 176,569.72 is: 243,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,809.40 : 441,337.63 = 176,569.72 : x
  2. Step 2: Convert to fraction form
    319,809.40/441,337.63 = 176,569.72/x
  3. Step 3: Cross multiply
    319,809.40x = 441,337.63 × 176,569.72
  4. Step 4: Simplify right side
    319,809.40x = 77,926,860,871.72
  5. Step 5: Solve for x
    x = 77,926,860,871.72/319,809.40
  6. Step 6: Final answer
    x = 243,666.57

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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.