Home / 153,503.04-211,830.98-85,519.92

Finding the Fourth Proportional to 153,503.04, 211,830.98 and 85,519.92

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Solution

The fourth proportional to 153,503.04, 211,830.98 and 85,519.92 is: 118,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,503.04 : 211,830.98 = 85,519.92 : x
  2. Step 2: Convert to fraction form
    153,503.04/211,830.98 = 85,519.92/x
  3. Step 3: Cross multiply
    153,503.04x = 211,830.98 × 85,519.92
  4. Step 4: Simplify right side
    153,503.04x = 18,115,768,463.12
  5. Step 5: Solve for x
    x = 18,115,768,463.12/153,503.04
  6. Step 6: Final answer
    x = 118,015.70

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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.