Home / 104,430.18-144,113.80-56,683.54

Finding the Fourth Proportional to 104,430.18, 144,113.80 and 56,683.54

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Solution

The fourth proportional to 104,430.18, 144,113.80 and 56,683.54 is: 78,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.18 : 144,113.80 = 56,683.54 : x
  2. Step 2: Convert to fraction form
    104,430.18/144,113.80 = 56,683.54/x
  3. Step 3: Cross multiply
    104,430.18x = 144,113.80 × 56,683.54
  4. Step 4: Simplify right side
    104,430.18x = 8,168,880,346.85
  5. Step 5: Solve for x
    x = 8,168,880,346.85/104,430.18
  6. Step 6: Final answer
    x = 78,223.37

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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.