Home / 146,152.08-201,690.81-85,710.42

Finding the Fourth Proportional to 146,152.08, 201,690.81 and 85,710.42

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Solution

The fourth proportional to 146,152.08, 201,690.81 and 85,710.42 is: 118,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,152.08 : 201,690.81 = 85,710.42 : x
  2. Step 2: Convert to fraction form
    146,152.08/201,690.81 = 85,710.42/x
  3. Step 3: Cross multiply
    146,152.08x = 201,690.81 × 85,710.42
  4. Step 4: Simplify right side
    146,152.08x = 17,287,004,035.24
  5. Step 5: Solve for x
    x = 17,287,004,035.24/146,152.08
  6. Step 6: Final answer
    x = 118,280.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.