Home / 150,299.02-207,365.70-86,628.16

Finding the Fourth Proportional to 150,299.02, 207,365.70 and 86,628.16

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Solution

The fourth proportional to 150,299.02, 207,365.70 and 86,628.16 is: 119,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,299.02 : 207,365.70 = 86,628.16 : x
  2. Step 2: Convert to fraction form
    150,299.02/207,365.70 = 86,628.16/x
  3. Step 3: Cross multiply
    150,299.02x = 207,365.70 × 86,628.16
  4. Step 4: Simplify right side
    150,299.02x = 17,963,709,038.11
  5. Step 5: Solve for x
    x = 17,963,709,038.11/150,299.02
  6. Step 6: Final answer
    x = 119,519.80

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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.