Home / 141,320.08-211,518.60-103,870.24

Finding the Fourth Proportional to 141,320.08, 211,518.60 and 103,870.24

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Solution

The fourth proportional to 141,320.08, 211,518.60 and 103,870.24 is: 155,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320.08 : 211,518.60 = 103,870.24 : x
  2. Step 2: Convert to fraction form
    141,320.08/211,518.60 = 103,870.24/x
  3. Step 3: Cross multiply
    141,320.08x = 211,518.60 × 103,870.24
  4. Step 4: Simplify right side
    141,320.08x = 21,970,487,746.46
  5. Step 5: Solve for x
    x = 21,970,487,746.46/141,320.08
  6. Step 6: Final answer
    x = 155,466.14

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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.