Home / 141,085.06-194,666.97-81,434.50

Finding the Fourth Proportional to 141,085.06, 194,666.97 and 81,434.50

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Solution

The fourth proportional to 141,085.06, 194,666.97 and 81,434.50 is: 112,362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,085.06 : 194,666.97 = 81,434.50 : x
  2. Step 2: Convert to fraction form
    141,085.06/194,666.97 = 81,434.50/x
  3. Step 3: Cross multiply
    141,085.06x = 194,666.97 × 81,434.50
  4. Step 4: Simplify right side
    141,085.06x = 15,852,607,368.47
  5. Step 5: Solve for x
    x = 15,852,607,368.47/141,085.06
  6. Step 6: Final answer
    x = 112,362.06

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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.