Home / 221,058.40-331,500.08-96,312.16

Finding the Fourth Proportional to 221,058.40, 331,500.08 and 96,312.16

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Solution

The fourth proportional to 221,058.40, 331,500.08 and 96,312.16 is: 144,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,058.40 : 331,500.08 = 96,312.16 : x
  2. Step 2: Convert to fraction form
    221,058.40/331,500.08 = 96,312.16/x
  3. Step 3: Cross multiply
    221,058.40x = 331,500.08 × 96,312.16
  4. Step 4: Simplify right side
    221,058.40x = 31,927,488,744.97
  5. Step 5: Solve for x
    x = 31,927,488,744.97/221,058.40
  6. Step 6: Final answer
    x = 144,430.11

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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.