Home / 153,099.25-211,281.55-84,185.15

Finding the Fourth Proportional to 153,099.25, 211,281.55 and 84,185.15

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Solution

The fourth proportional to 153,099.25, 211,281.55 and 84,185.15 is: 116,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,099.25 : 211,281.55 = 84,185.15 : x
  2. Step 2: Convert to fraction form
    153,099.25/211,281.55 = 84,185.15/x
  3. Step 3: Cross multiply
    153,099.25x = 211,281.55 × 84,185.15
  4. Step 4: Simplify right side
    153,099.25x = 17,786,767,712.11
  5. Step 5: Solve for x
    x = 17,786,767,712.11/153,099.25
  6. Step 6: Final answer
    x = 116,178.02

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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.