Home / 152,555.81-210,527.01-84,572.61

Finding the Fourth Proportional to 152,555.81, 210,527.01 and 84,572.61

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Solution

The fourth proportional to 152,555.81, 210,527.01 and 84,572.61 is: 116,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,555.81 : 210,527.01 = 84,572.61 : x
  2. Step 2: Convert to fraction form
    152,555.81/210,527.01 = 84,572.61/x
  3. Step 3: Cross multiply
    152,555.81x = 210,527.01 × 84,572.61
  4. Step 4: Simplify right side
    152,555.81x = 17,804,819,264.51
  5. Step 5: Solve for x
    x = 17,804,819,264.51/152,555.81
  6. Step 6: Final answer
    x = 116,710.20

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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.