Home / 190,851.10-286,276.65-106,870.30

Finding the Fourth Proportional to 190,851.10, 286,276.65 and 106,870.30

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Solution

The fourth proportional to 190,851.10, 286,276.65 and 106,870.30 is: 160,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851.10 : 286,276.65 = 106,870.30 : x
  2. Step 2: Convert to fraction form
    190,851.10/286,276.65 = 106,870.30/x
  3. Step 3: Cross multiply
    190,851.10x = 286,276.65 × 106,870.30
  4. Step 4: Simplify right side
    190,851.10x = 30,594,471,468.50
  5. Step 5: Solve for x
    x = 30,594,471,468.50/190,851.10
  6. Step 6: Final answer
    x = 160,305.45

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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.