Home / 153,582.19-211,955.75-85,621.17

Finding the Fourth Proportional to 153,582.19, 211,955.75 and 85,621.17

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Solution

The fourth proportional to 153,582.19, 211,955.75 and 85,621.17 is: 118,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,582.19 : 211,955.75 = 85,621.17 : x
  2. Step 2: Convert to fraction form
    153,582.19/211,955.75 = 85,621.17/x
  3. Step 3: Cross multiply
    153,582.19x = 211,955.75 × 85,621.17
  4. Step 4: Simplify right side
    153,582.19x = 18,147,897,815.34
  5. Step 5: Solve for x
    x = 18,147,897,815.34/153,582.19
  6. Step 6: Final answer
    x = 118,164.08

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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.