Home / 147,328.40-203,316.06-83,666.45

Finding the Fourth Proportional to 147,328.40, 203,316.06 and 83,666.45

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Solution

The fourth proportional to 147,328.40, 203,316.06 and 83,666.45 is: 115,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,328.40 : 203,316.06 = 83,666.45 : x
  2. Step 2: Convert to fraction form
    147,328.40/203,316.06 = 83,666.45/x
  3. Step 3: Cross multiply
    147,328.40x = 203,316.06 × 83,666.45
  4. Step 4: Simplify right side
    147,328.40x = 17,010,731,951.61
  5. Step 5: Solve for x
    x = 17,010,731,951.61/147,328.40
  6. Step 6: Final answer
    x = 115,461.33

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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.