Home / 104,430.20-144,113.19-56,683.13

Finding the Fourth Proportional to 104,430.20, 144,113.19 and 56,683.13

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Solution

The fourth proportional to 104,430.20, 144,113.19 and 56,683.13 is: 78,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.20 : 144,113.19 = 56,683.13 : x
  2. Step 2: Convert to fraction form
    104,430.20/144,113.19 = 56,683.13/x
  3. Step 3: Cross multiply
    104,430.20x = 144,113.19 × 56,683.13
  4. Step 4: Simplify right side
    104,430.20x = 8,168,786,683.48
  5. Step 5: Solve for x
    x = 8,168,786,683.48/104,430.20
  6. Step 6: Final answer
    x = 78,222.46

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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.