Home / 145,543.24-218,314.86-52,043.32

Finding the Fourth Proportional to 145,543.24, 218,314.86 and 52,043.32

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Solution

The fourth proportional to 145,543.24, 218,314.86 and 52,043.32 is: 78,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,543.24 : 218,314.86 = 52,043.32 : x
  2. Step 2: Convert to fraction form
    145,543.24/218,314.86 = 52,043.32/x
  3. Step 3: Cross multiply
    145,543.24x = 218,314.86 × 52,043.32
  4. Step 4: Simplify right side
    145,543.24x = 11,361,830,119.74
  5. Step 5: Solve for x
    x = 11,361,830,119.74/145,543.24
  6. Step 6: Final answer
    x = 78,064.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.