Home / 207,547.16-311,126.31-112,638.06

Finding the Fourth Proportional to 207,547.16, 311,126.31 and 112,638.06

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Solution

The fourth proportional to 207,547.16, 311,126.31 and 112,638.06 is: 168,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,547.16 : 311,126.31 = 112,638.06 : x
  2. Step 2: Convert to fraction form
    207,547.16/311,126.31 = 112,638.06/x
  3. Step 3: Cross multiply
    207,547.16x = 311,126.31 × 112,638.06
  4. Step 4: Simplify right side
    207,547.16x = 35,044,663,973.36
  5. Step 5: Solve for x
    x = 35,044,663,973.36/207,547.16
  6. Step 6: Final answer
    x = 168,851.57

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1.5x scale

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.