Home / 160,428.60-221,396.67-92,440.35

Finding the Fourth Proportional to 160,428.60, 221,396.67 and 92,440.35

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Solution

The fourth proportional to 160,428.60, 221,396.67 and 92,440.35 is: 127,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,428.60 : 221,396.67 = 92,440.35 : x
  2. Step 2: Convert to fraction form
    160,428.60/221,396.67 = 92,440.35/x
  3. Step 3: Cross multiply
    160,428.60x = 221,396.67 × 92,440.35
  4. Step 4: Simplify right side
    160,428.60x = 20,465,985,663.63
  5. Step 5: Solve for x
    x = 20,465,985,663.63/160,428.60
  6. Step 6: Final answer
    x = 127,570.68

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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.