Home / 109,420.35-151,124.64-73,548.08

Finding the Fourth Proportional to 109,420.35, 151,124.64 and 73,548.08

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Solution

The fourth proportional to 109,420.35, 151,124.64 and 73,548.08 is: 101,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,420.35 : 151,124.64 = 73,548.08 : x
  2. Step 2: Convert to fraction form
    109,420.35/151,124.64 = 73,548.08/x
  3. Step 3: Cross multiply
    109,420.35x = 151,124.64 × 73,548.08
  4. Step 4: Simplify right side
    109,420.35x = 11,114,927,490.50
  5. Step 5: Solve for x
    x = 11,114,927,490.50/109,420.35
  6. Step 6: Final answer
    x = 101,580.08

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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.