Home / 232,130.40-320,222.05-151,605.06

Finding the Fourth Proportional to 232,130.40, 320,222.05 and 151,605.06

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Solution

The fourth proportional to 232,130.40, 320,222.05 and 151,605.06 is: 209,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,130.40 : 320,222.05 = 151,605.06 : x
  2. Step 2: Convert to fraction form
    232,130.40/320,222.05 = 151,605.06/x
  3. Step 3: Cross multiply
    232,130.40x = 320,222.05 × 151,605.06
  4. Step 4: Simplify right side
    232,130.40x = 48,547,282,724.56
  5. Step 5: Solve for x
    x = 48,547,282,724.56/232,130.40
  6. Step 6: Final answer
    x = 209,137.98

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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.