Home / 152,795.34-210,853.52-84,812.12

Finding the Fourth Proportional to 152,795.34, 210,853.52 and 84,812.12

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Solution

The fourth proportional to 152,795.34, 210,853.52 and 84,812.12 is: 117,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,795.34 : 210,853.52 = 84,812.12 : x
  2. Step 2: Convert to fraction form
    152,795.34/210,853.52 = 84,812.12/x
  3. Step 3: Cross multiply
    152,795.34x = 210,853.52 × 84,812.12
  4. Step 4: Simplify right side
    152,795.34x = 17,882,934,040.66
  5. Step 5: Solve for x
    x = 17,882,934,040.66/152,795.34
  6. Step 6: Final answer
    x = 117,038.48

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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.