Home / 319,670.11-441,142.58-176,430.15

Finding the Fourth Proportional to 319,670.11, 441,142.58 and 176,430.15

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Solution

The fourth proportional to 319,670.11, 441,142.58 and 176,430.15 is: 243,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,670.11 : 441,142.58 = 176,430.15 : x
  2. Step 2: Convert to fraction form
    319,670.11/441,142.58 = 176,430.15/x
  3. Step 3: Cross multiply
    319,670.11x = 441,142.58 × 176,430.15
  4. Step 4: Simplify right side
    319,670.11x = 77,830,852,222.57
  5. Step 5: Solve for x
    x = 77,830,852,222.57/319,670.11
  6. Step 6: Final answer
    x = 243,472.41

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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.