Home / 162,036.54-223,657.36-94,068.78

Finding the Fourth Proportional to 162,036.54, 223,657.36 and 94,068.78

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Solution

The fourth proportional to 162,036.54, 223,657.36 and 94,068.78 is: 129,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,036.54 : 223,657.36 = 94,068.78 : x
  2. Step 2: Convert to fraction form
    162,036.54/223,657.36 = 94,068.78/x
  3. Step 3: Cross multiply
    162,036.54x = 223,657.36 × 94,068.78
  4. Step 4: Simplify right side
    162,036.54x = 21,039,174,993.22
  5. Step 5: Solve for x
    x = 21,039,174,993.22/162,036.54
  6. Step 6: Final answer
    x = 129,842.16

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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.