Home / 163,572.08-245,329.56-43,630.52

Finding the Fourth Proportional to 163,572.08, 245,329.56 and 43,630.52

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Solution

The fourth proportional to 163,572.08, 245,329.56 and 43,630.52 is: 65,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,572.08 : 245,329.56 = 43,630.52 : x
  2. Step 2: Convert to fraction form
    163,572.08/245,329.56 = 43,630.52/x
  3. Step 3: Cross multiply
    163,572.08x = 245,329.56 × 43,630.52
  4. Step 4: Simplify right side
    163,572.08x = 10,703,855,047.52
  5. Step 5: Solve for x
    x = 10,703,855,047.52/163,572.08
  6. Step 6: Final answer
    x = 65,438.16

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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.