Home / 112,547.65-155,363.57-70,127.14

Finding the Fourth Proportional to 112,547.65, 155,363.57 and 70,127.14

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Solution

The fourth proportional to 112,547.65, 155,363.57 and 70,127.14 is: 96,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.65 : 155,363.57 = 70,127.14 : x
  2. Step 2: Convert to fraction form
    112,547.65/155,363.57 = 70,127.14/x
  3. Step 3: Cross multiply
    112,547.65x = 155,363.57 × 70,127.14
  4. Step 4: Simplify right side
    112,547.65x = 10,895,202,824.29
  5. Step 5: Solve for x
    x = 10,895,202,824.29/112,547.65
  6. Step 6: Final answer
    x = 96,805.24

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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.