Home / 210,855.19-316,282.81-61,095.59

Finding the Fourth Proportional to 210,855.19, 316,282.81 and 61,095.59

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Solution

The fourth proportional to 210,855.19, 316,282.81 and 61,095.59 is: 91,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,855.19 : 316,282.81 = 61,095.59 : x
  2. Step 2: Convert to fraction form
    210,855.19/316,282.81 = 61,095.59/x
  3. Step 3: Cross multiply
    210,855.19x = 316,282.81 × 61,095.59
  4. Step 4: Simplify right side
    210,855.19x = 19,323,484,883.81
  5. Step 5: Solve for x
    x = 19,323,484,883.81/210,855.19
  6. Step 6: Final answer
    x = 91,643.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.