Home / 153,317.40-211,577.70-86,249.40

Finding the Fourth Proportional to 153,317.40, 211,577.70 and 86,249.40

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Solution

The fourth proportional to 153,317.40, 211,577.70 and 86,249.40 is: 119,024.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,317.40 : 211,577.70 = 86,249.40 : x
  2. Step 2: Convert to fraction form
    153,317.40/211,577.70 = 86,249.40/x
  3. Step 3: Cross multiply
    153,317.40x = 211,577.70 × 86,249.40
  4. Step 4: Simplify right side
    153,317.40x = 18,248,449,678.38
  5. Step 5: Solve for x
    x = 18,248,449,678.38/153,317.40
  6. Step 6: Final answer
    x = 119,024.00

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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.