Home / 152,040.57-209,814.89-84,060.51

Finding the Fourth Proportional to 152,040.57, 209,814.89 and 84,060.51

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Solution

The fourth proportional to 152,040.57, 209,814.89 and 84,060.51 is: 116,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040.57 : 209,814.89 = 84,060.51 : x
  2. Step 2: Convert to fraction form
    152,040.57/209,814.89 = 84,060.51/x
  3. Step 3: Cross multiply
    152,040.57x = 209,814.89 × 84,060.51
  4. Step 4: Simplify right side
    152,040.57x = 17,637,146,238.69
  5. Step 5: Solve for x
    x = 17,637,146,238.69/152,040.57
  6. Step 6: Final answer
    x = 116,002.89

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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.