Home / 319,847.72-441,407.14-176,607.32

Finding the Fourth Proportional to 319,847.72, 441,407.14 and 176,607.32

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Solution

The fourth proportional to 319,847.72, 441,407.14 and 176,607.32 is: 243,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,847.72 : 441,407.14 = 176,607.32 : x
  2. Step 2: Convert to fraction form
    319,847.72/441,407.14 = 176,607.32/x
  3. Step 3: Cross multiply
    319,847.72x = 441,407.14 × 176,607.32
  4. Step 4: Simplify right side
    319,847.72x = 77,955,732,024.26
  5. Step 5: Solve for x
    x = 77,955,732,024.26/319,847.72
  6. Step 6: Final answer
    x = 243,727.65

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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.