Home / 152,515.17-210,485.79-84,554.28

Finding the Fourth Proportional to 152,515.17, 210,485.79 and 84,554.28

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Solution

The fourth proportional to 152,515.17, 210,485.79 and 84,554.28 is: 116,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,515.17 : 210,485.79 = 84,554.28 : x
  2. Step 2: Convert to fraction form
    152,515.17/210,485.79 = 84,554.28/x
  3. Step 3: Cross multiply
    152,515.17x = 210,485.79 × 84,554.28
  4. Step 4: Simplify right side
    152,515.17x = 17,797,474,423.68
  5. Step 5: Solve for x
    x = 17,797,474,423.68/152,515.17
  6. Step 6: Final answer
    x = 116,693.14

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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.