Home / 233,158.74-349,669.47-90,972.18

Finding the Fourth Proportional to 233,158.74, 349,669.47 and 90,972.18

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Solution

The fourth proportional to 233,158.74, 349,669.47 and 90,972.18 is: 136,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,158.74 : 349,669.47 = 90,972.18 : x
  2. Step 2: Convert to fraction form
    233,158.74/349,669.47 = 90,972.18/x
  3. Step 3: Cross multiply
    233,158.74x = 349,669.47 × 90,972.18
  4. Step 4: Simplify right side
    233,158.74x = 31,810,193,965.34
  5. Step 5: Solve for x
    x = 31,810,193,965.34/233,158.74
  6. Step 6: Final answer
    x = 136,431.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.