Home / 319,382.01-440,741.93-176,155.38

Finding the Fourth Proportional to 319,382.01, 440,741.93 and 176,155.38

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Solution

The fourth proportional to 319,382.01, 440,741.93 and 176,155.38 is: 243,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,382.01 : 440,741.93 = 176,155.38 : x
  2. Step 2: Convert to fraction form
    319,382.01/440,741.93 = 176,155.38/x
  3. Step 3: Cross multiply
    319,382.01x = 440,741.93 × 176,155.38
  4. Step 4: Simplify right side
    319,382.01x = 77,639,061,280.31
  5. Step 5: Solve for x
    x = 77,639,061,280.31/319,382.01
  6. Step 6: Final answer
    x = 243,091.53

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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.