Home / 133,005.26-183,547.78-72,577.15

Finding the Fourth Proportional to 133,005.26, 183,547.78 and 72,577.15

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Solution

The fourth proportional to 133,005.26, 183,547.78 and 72,577.15 is: 100,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,005.26 : 183,547.78 = 72,577.15 : x
  2. Step 2: Convert to fraction form
    133,005.26/183,547.78 = 72,577.15/x
  3. Step 3: Cross multiply
    133,005.26x = 183,547.78 × 72,577.15
  4. Step 4: Simplify right side
    133,005.26x = 13,321,374,120.91
  5. Step 5: Solve for x
    x = 13,321,374,120.91/133,005.26
  6. Step 6: Final answer
    x = 100,156.74

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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.