Home / 108,875.08-150,264.12-66,458.26

Finding the Fourth Proportional to 108,875.08, 150,264.12 and 66,458.26

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Solution

The fourth proportional to 108,875.08, 150,264.12 and 66,458.26 is: 91,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875.08 : 150,264.12 = 66,458.26 : x
  2. Step 2: Convert to fraction form
    108,875.08/150,264.12 = 66,458.26/x
  3. Step 3: Cross multiply
    108,875.08x = 150,264.12 × 66,458.26
  4. Step 4: Simplify right side
    108,875.08x = 9,986,291,955.63
  5. Step 5: Solve for x
    x = 9,986,291,955.63/108,875.08
  6. Step 6: Final answer
    x = 91,722.48

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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.