Home / 186,931.47-257,995.04-118,877.49

Finding the Fourth Proportional to 186,931.47, 257,995.04 and 118,877.49

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Solution

The fourth proportional to 186,931.47, 257,995.04 and 118,877.49 is: 164,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,931.47 : 257,995.04 = 118,877.49 : x
  2. Step 2: Convert to fraction form
    186,931.47/257,995.04 = 118,877.49/x
  3. Step 3: Cross multiply
    186,931.47x = 257,995.04 × 118,877.49
  4. Step 4: Simplify right side
    186,931.47x = 30,669,802,787.65
  5. Step 5: Solve for x
    x = 30,669,802,787.65/186,931.47
  6. Step 6: Final answer
    x = 164,069.77

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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.