Home / 104,430.45-144,113.54-56,683.38

Finding the Fourth Proportional to 104,430.45, 144,113.54 and 56,683.38

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Solution

The fourth proportional to 104,430.45, 144,113.54 and 56,683.38 is: 78,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.45 : 144,113.54 = 56,683.38 : x
  2. Step 2: Convert to fraction form
    104,430.45/144,113.54 = 56,683.38/x
  3. Step 3: Cross multiply
    104,430.45x = 144,113.54 × 56,683.38
  4. Step 4: Simplify right side
    104,430.45x = 8,168,842,267.55
  5. Step 5: Solve for x
    x = 8,168,842,267.55/104,430.45
  6. Step 6: Final answer
    x = 78,222.80

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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.