Home / 153,104.15-211,386.84-136,921.16

Finding the Fourth Proportional to 153,104.15, 211,386.84 and 136,921.16

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Solution

The fourth proportional to 153,104.15, 211,386.84 and 136,921.16 is: 189,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,104.15 : 211,386.84 = 136,921.16 : x
  2. Step 2: Convert to fraction form
    153,104.15/211,386.84 = 136,921.16/x
  3. Step 3: Cross multiply
    153,104.15x = 211,386.84 × 136,921.16
  4. Step 4: Simplify right side
    153,104.15x = 28,943,331,341.53
  5. Step 5: Solve for x
    x = 28,943,331,341.53/153,104.15
  6. Step 6: Final answer
    x = 189,043.41

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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.