Home / 153,199.93-211,401.06-88,656.35

Finding the Fourth Proportional to 153,199.93, 211,401.06 and 88,656.35

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Solution

The fourth proportional to 153,199.93, 211,401.06 and 88,656.35 is: 122,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,199.93 : 211,401.06 = 88,656.35 : x
  2. Step 2: Convert to fraction form
    153,199.93/211,401.06 = 88,656.35/x
  3. Step 3: Cross multiply
    153,199.93x = 211,401.06 × 88,656.35
  4. Step 4: Simplify right side
    153,199.93x = 18,742,046,318.87
  5. Step 5: Solve for x
    x = 18,742,046,318.87/153,199.93
  6. Step 6: Final answer
    x = 122,337.17

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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.