Home / 157,665.40-236,498.10-134,045.80

Finding the Fourth Proportional to 157,665.40, 236,498.10 and 134,045.80

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Solution

The fourth proportional to 157,665.40, 236,498.10 and 134,045.80 is: 201,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,665.40 : 236,498.10 = 134,045.80 : x
  2. Step 2: Convert to fraction form
    157,665.40/236,498.10 = 134,045.80/x
  3. Step 3: Cross multiply
    157,665.40x = 236,498.10 × 134,045.80
  4. Step 4: Simplify right side
    157,665.40x = 31,701,577,012.98
  5. Step 5: Solve for x
    x = 31,701,577,012.98/157,665.40
  6. Step 6: Final answer
    x = 201,068.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.