Home / 153,659.10-211,567.04-130,643.66

Finding the Fourth Proportional to 153,659.10, 211,567.04 and 130,643.66

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Solution

The fourth proportional to 153,659.10, 211,567.04 and 130,643.66 is: 179,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,659.10 : 211,567.04 = 130,643.66 : x
  2. Step 2: Convert to fraction form
    153,659.10/211,567.04 = 130,643.66/x
  3. Step 3: Cross multiply
    153,659.10x = 211,567.04 × 130,643.66
  4. Step 4: Simplify right side
    153,659.10x = 27,639,892,440.97
  5. Step 5: Solve for x
    x = 27,639,892,440.97/153,659.10
  6. Step 6: Final answer
    x = 179,878.01

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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.