Home / 160,430.86-221,417.75-92,434.80

Finding the Fourth Proportional to 160,430.86, 221,417.75 and 92,434.80

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Solution

The fourth proportional to 160,430.86, 221,417.75 and 92,434.80 is: 127,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,430.86 : 221,417.75 = 92,434.80 : x
  2. Step 2: Convert to fraction form
    160,430.86/221,417.75 = 92,434.80/x
  3. Step 3: Cross multiply
    160,430.86x = 221,417.75 × 92,434.80
  4. Step 4: Simplify right side
    160,430.86x = 20,466,706,499.10
  5. Step 5: Solve for x
    x = 20,466,706,499.10/160,430.86
  6. Step 6: Final answer
    x = 127,573.38

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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.