Home / 105,166.32-145,133.16-59,851.08

Finding the Fourth Proportional to 105,166.32, 145,133.16 and 59,851.08

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Solution

The fourth proportional to 105,166.32, 145,133.16 and 59,851.08 is: 82,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,166.32 : 145,133.16 = 59,851.08 : x
  2. Step 2: Convert to fraction form
    105,166.32/145,133.16 = 59,851.08/x
  3. Step 3: Cross multiply
    105,166.32x = 145,133.16 × 59,851.08
  4. Step 4: Simplify right side
    105,166.32x = 8,686,376,369.81
  5. Step 5: Solve for x
    x = 8,686,376,369.81/105,166.32
  6. Step 6: Final answer
    x = 82,596.56

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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.