Home / 319,741.57-441,243.45-176,501.71

Finding the Fourth Proportional to 319,741.57, 441,243.45 and 176,501.71

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Solution

The fourth proportional to 319,741.57, 441,243.45 and 176,501.71 is: 243,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,741.57 : 441,243.45 = 176,501.71 : x
  2. Step 2: Convert to fraction form
    319,741.57/441,243.45 = 176,501.71/x
  3. Step 3: Cross multiply
    319,741.57x = 441,243.45 × 176,501.71
  4. Step 4: Simplify right side
    319,741.57x = 77,880,220,362.57
  5. Step 5: Solve for x
    x = 77,880,220,362.57/319,741.57
  6. Step 6: Final answer
    x = 243,572.40

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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.