Home / 160,430.75-221,452.85-93,362.75

Finding the Fourth Proportional to 160,430.75, 221,452.85 and 93,362.75

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Solution

The fourth proportional to 160,430.75, 221,452.85 and 93,362.75 is: 128,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,430.75 : 221,452.85 = 93,362.75 : x
  2. Step 2: Convert to fraction form
    160,430.75/221,452.85 = 93,362.75/x
  3. Step 3: Cross multiply
    160,430.75x = 221,452.85 × 93,362.75
  4. Step 4: Simplify right side
    160,430.75x = 20,675,447,071.34
  5. Step 5: Solve for x
    x = 20,675,447,071.34/160,430.75
  6. Step 6: Final answer
    x = 128,874.59

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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.