Home / 153,589.32-211,838.76-136,382.49

Finding the Fourth Proportional to 153,589.32, 211,838.76 and 136,382.49

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Solution

The fourth proportional to 153,589.32, 211,838.76 and 136,382.49 is: 188,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,589.32 : 211,838.76 = 136,382.49 : x
  2. Step 2: Convert to fraction form
    153,589.32/211,838.76 = 136,382.49/x
  3. Step 3: Cross multiply
    153,589.32x = 211,838.76 × 136,382.49
  4. Step 4: Simplify right side
    153,589.32x = 28,891,097,567.31
  5. Step 5: Solve for x
    x = 28,891,097,567.31/153,589.32
  6. Step 6: Final answer
    x = 188,106.16

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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.