Home / 176,430.06-264,386.70-87,505.98

Finding the Fourth Proportional to 176,430.06, 264,386.70 and 87,505.98

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Solution

The fourth proportional to 176,430.06, 264,386.70 and 87,505.98 is: 131,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,430.06 : 264,386.70 = 87,505.98 : x
  2. Step 2: Convert to fraction form
    176,430.06/264,386.70 = 87,505.98/x
  3. Step 3: Cross multiply
    176,430.06x = 264,386.70 × 87,505.98
  4. Step 4: Simplify right side
    176,430.06x = 23,135,417,282.47
  5. Step 5: Solve for x
    x = 23,135,417,282.47/176,430.06
  6. Step 6: Final answer
    x = 131,130.81

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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.