Home / 109,669.16-151,343.90-59,368.16

Finding the Fourth Proportional to 109,669.16, 151,343.90 and 59,368.16

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Solution

The fourth proportional to 109,669.16, 151,343.90 and 59,368.16 is: 81,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,669.16 : 151,343.90 = 59,368.16 : x
  2. Step 2: Convert to fraction form
    109,669.16/151,343.90 = 59,368.16/x
  3. Step 3: Cross multiply
    109,669.16x = 151,343.90 × 59,368.16
  4. Step 4: Simplify right side
    109,669.16x = 8,985,008,870.22
  5. Step 5: Solve for x
    x = 8,985,008,870.22/109,669.16
  6. Step 6: Final answer
    x = 81,928.31

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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.