Home / 109,219.76-163,800.12-46,875.68

Finding the Fourth Proportional to 109,219.76, 163,800.12 and 46,875.68

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Solution

The fourth proportional to 109,219.76, 163,800.12 and 46,875.68 is: 70,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,219.76 : 163,800.12 = 46,875.68 : x
  2. Step 2: Convert to fraction form
    109,219.76/163,800.12 = 46,875.68/x
  3. Step 3: Cross multiply
    109,219.76x = 163,800.12 × 46,875.68
  4. Step 4: Simplify right side
    109,219.76x = 7,678,242,009.08
  5. Step 5: Solve for x
    x = 7,678,242,009.08/109,219.76
  6. Step 6: Final answer
    x = 70,300.85

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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.