Home / 147,256.61-203,208.53-89,991.69

Finding the Fourth Proportional to 147,256.61, 203,208.53 and 89,991.69

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Solution

The fourth proportional to 147,256.61, 203,208.53 and 89,991.69 is: 124,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,256.61 : 203,208.53 = 89,991.69 : x
  2. Step 2: Convert to fraction form
    147,256.61/203,208.53 = 89,991.69/x
  3. Step 3: Cross multiply
    147,256.61x = 203,208.53 × 89,991.69
  4. Step 4: Simplify right side
    147,256.61x = 18,287,078,587.16
  5. Step 5: Solve for x
    x = 18,287,078,587.16/147,256.61
  6. Step 6: Final answer
    x = 124,185.12

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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.