Home / 134,445.75-185,547.51-74,028.66

Finding the Fourth Proportional to 134,445.75, 185,547.51 and 74,028.66

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Solution

The fourth proportional to 134,445.75, 185,547.51 and 74,028.66 is: 102,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,445.75 : 185,547.51 = 74,028.66 : x
  2. Step 2: Convert to fraction form
    134,445.75/185,547.51 = 74,028.66/x
  3. Step 3: Cross multiply
    134,445.75x = 185,547.51 × 74,028.66
  4. Step 4: Simplify right side
    134,445.75x = 13,735,833,531.64
  5. Step 5: Solve for x
    x = 13,735,833,531.64/134,445.75
  6. Step 6: Final answer
    x = 102,166.36

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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.