Home / 163,566.32-245,036.64-137,081.76

Finding the Fourth Proportional to 163,566.32, 245,036.64 and 137,081.76

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Solution

The fourth proportional to 163,566.32, 245,036.64 and 137,081.76 is: 205,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,566.32 : 245,036.64 = 137,081.76 : x
  2. Step 2: Convert to fraction form
    163,566.32/245,036.64 = 137,081.76/x
  3. Step 3: Cross multiply
    163,566.32x = 245,036.64 × 137,081.76
  4. Step 4: Simplify right side
    163,566.32x = 33,590,053,875.69
  5. Step 5: Solve for x
    x = 33,590,053,875.69/163,566.32
  6. Step 6: Final answer
    x = 205,360.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.