Home / 319,178.32-440,465.98-175,940.76

Finding the Fourth Proportional to 319,178.32, 440,465.98 and 175,940.76

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Solution

The fourth proportional to 319,178.32, 440,465.98 and 175,940.76 is: 242,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,178.32 : 440,465.98 = 175,940.76 : x
  2. Step 2: Convert to fraction form
    319,178.32/440,465.98 = 175,940.76/x
  3. Step 3: Cross multiply
    319,178.32x = 440,465.98 × 175,940.76
  4. Step 4: Simplify right side
    319,178.32x = 77,495,919,275.34
  5. Step 5: Solve for x
    x = 77,495,919,275.34/319,178.32
  6. Step 6: Final answer
    x = 242,798.19

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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.