Home / 98,210.60-147,201.64-56,120.18

Finding the Fourth Proportional to 98,210.60, 147,201.64 and 56,120.18

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Solution

The fourth proportional to 98,210.60, 147,201.64 and 56,120.18 is: 84,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,210.60 : 147,201.64 = 56,120.18 : x
  2. Step 2: Convert to fraction form
    98,210.60/147,201.64 = 56,120.18/x
  3. Step 3: Cross multiply
    98,210.60x = 147,201.64 × 56,120.18
  4. Step 4: Simplify right side
    98,210.60x = 8,260,982,533.10
  5. Step 5: Solve for x
    x = 8,260,982,533.10/98,210.60
  6. Step 6: Final answer
    x = 84,114.98

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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.