Home / 151,547.64-209,137.24-83,567.04

Finding the Fourth Proportional to 151,547.64, 209,137.24 and 83,567.04

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Solution

The fourth proportional to 151,547.64, 209,137.24 and 83,567.04 is: 115,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,547.64 : 209,137.24 = 83,567.04 : x
  2. Step 2: Convert to fraction form
    151,547.64/209,137.24 = 83,567.04/x
  3. Step 3: Cross multiply
    151,547.64x = 209,137.24 × 83,567.04
  4. Step 4: Simplify right side
    151,547.64x = 17,476,980,100.57
  5. Step 5: Solve for x
    x = 17,476,980,100.57/151,547.64
  6. Step 6: Final answer
    x = 115,323.34

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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.