Home / 104,686.08-144,405.28-65,862.16

Finding the Fourth Proportional to 104,686.08, 144,405.28 and 65,862.16

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Solution

The fourth proportional to 104,686.08, 144,405.28 and 65,862.16 is: 90,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,686.08 : 144,405.28 = 65,862.16 : x
  2. Step 2: Convert to fraction form
    104,686.08/144,405.28 = 65,862.16/x
  3. Step 3: Cross multiply
    104,686.08x = 144,405.28 × 65,862.16
  4. Step 4: Simplify right side
    104,686.08x = 9,510,843,656.20
  5. Step 5: Solve for x
    x = 9,510,843,656.20/104,686.08
  6. Step 6: Final answer
    x = 90,851.08

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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.