Home / 153,312.06-211,570.59-86,244.06

Finding the Fourth Proportional to 153,312.06, 211,570.59 and 86,244.06

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Solution

The fourth proportional to 153,312.06, 211,570.59 and 86,244.06 is: 119,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,312.06 : 211,570.59 = 86,244.06 : x
  2. Step 2: Convert to fraction form
    153,312.06/211,570.59 = 86,244.06/x
  3. Step 3: Cross multiply
    153,312.06x = 211,570.59 × 86,244.06
  4. Step 4: Simplify right side
    153,312.06x = 18,246,706,658.20
  5. Step 5: Solve for x
    x = 18,246,706,658.20/153,312.06
  6. Step 6: Final answer
    x = 119,016.77

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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.