Home / 153,325.90-230,018.94-53,489.35

Finding the Fourth Proportional to 153,325.90, 230,018.94 and 53,489.35

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Solution

The fourth proportional to 153,325.90, 230,018.94 and 53,489.35 is: 80,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,325.90 : 230,018.94 = 53,489.35 : x
  2. Step 2: Convert to fraction form
    153,325.90/230,018.94 = 53,489.35/x
  3. Step 3: Cross multiply
    153,325.90x = 230,018.94 × 53,489.35
  4. Step 4: Simplify right side
    153,325.90x = 12,303,563,875.81
  5. Step 5: Solve for x
    x = 12,303,563,875.81/153,325.90
  6. Step 6: Final answer
    x = 80,244.52

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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.