Home / 300,740.04-451,210.77-98,345.48

Finding the Fourth Proportional to 300,740.04, 451,210.77 and 98,345.48

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Solution

The fourth proportional to 300,740.04, 451,210.77 and 98,345.48 is: 147,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,740.04 : 451,210.77 = 98,345.48 : x
  2. Step 2: Convert to fraction form
    300,740.04/451,210.77 = 98,345.48/x
  3. Step 3: Cross multiply
    300,740.04x = 451,210.77 × 98,345.48
  4. Step 4: Simplify right side
    300,740.04x = 44,374,539,756.82
  5. Step 5: Solve for x
    x = 44,374,539,756.82/300,740.04
  6. Step 6: Final answer
    x = 147,551.15

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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.