Home / 141,547.15-195,312.76-81,106.17

Finding the Fourth Proportional to 141,547.15, 195,312.76 and 81,106.17

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Solution

The fourth proportional to 141,547.15, 195,312.76 and 81,106.17 is: 111,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,547.15 : 195,312.76 = 81,106.17 : x
  2. Step 2: Convert to fraction form
    141,547.15/195,312.76 = 81,106.17/x
  3. Step 3: Cross multiply
    141,547.15x = 195,312.76 × 81,106.17
  4. Step 4: Simplify right side
    141,547.15x = 15,841,069,915.73
  5. Step 5: Solve for x
    x = 15,841,069,915.73/141,547.15
  6. Step 6: Final answer
    x = 111,913.73

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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.