Home / 145,196.04-200,313.36-83,901.72

Finding the Fourth Proportional to 145,196.04, 200,313.36 and 83,901.72

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Solution

The fourth proportional to 145,196.04, 200,313.36 and 83,901.72 is: 115,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,196.04 : 200,313.36 = 83,901.72 : x
  2. Step 2: Convert to fraction form
    145,196.04/200,313.36 = 83,901.72/x
  3. Step 3: Cross multiply
    145,196.04x = 200,313.36 × 83,901.72
  4. Step 4: Simplify right side
    145,196.04x = 16,806,635,442.98
  5. Step 5: Solve for x
    x = 16,806,635,442.98/145,196.04
  6. Step 6: Final answer
    x = 115,751.33

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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.