Home / 102,533.40-153,800.10-73,008.90

Finding the Fourth Proportional to 102,533.40, 153,800.10 and 73,008.90

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Solution

The fourth proportional to 102,533.40, 153,800.10 and 73,008.90 is: 109,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,533.40 : 153,800.10 = 73,008.90 : x
  2. Step 2: Convert to fraction form
    102,533.40/153,800.10 = 73,008.90/x
  3. Step 3: Cross multiply
    102,533.40x = 153,800.10 × 73,008.90
  4. Step 4: Simplify right side
    102,533.40x = 11,228,776,120.89
  5. Step 5: Solve for x
    x = 11,228,776,120.89/102,533.40
  6. Step 6: Final answer
    x = 109,513.35

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1.5x scale

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.