Home / 319,812.48-441,338.40-176,569.50

Finding the Fourth Proportional to 319,812.48, 441,338.40 and 176,569.50

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Solution

The fourth proportional to 319,812.48, 441,338.40 and 176,569.50 is: 243,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,812.48 : 441,338.40 = 176,569.50 : x
  2. Step 2: Convert to fraction form
    319,812.48/441,338.40 = 176,569.50/x
  3. Step 3: Cross multiply
    319,812.48x = 441,338.40 × 176,569.50
  4. Step 4: Simplify right side
    319,812.48x = 77,926,900,618.80
  5. Step 5: Solve for x
    x = 77,926,900,618.80/319,812.48
  6. Step 6: Final answer
    x = 243,664.35

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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.