Home / 186,715.40-257,666.09-106,142.93

Finding the Fourth Proportional to 186,715.40, 257,666.09 and 106,142.93

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Solution

The fourth proportional to 186,715.40, 257,666.09 and 106,142.93 is: 146,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,715.40 : 257,666.09 = 106,142.93 : x
  2. Step 2: Convert to fraction form
    186,715.40/257,666.09 = 106,142.93/x
  3. Step 3: Cross multiply
    186,715.40x = 257,666.09 × 106,142.93
  4. Step 4: Simplify right side
    186,715.40x = 27,349,433,867.69
  5. Step 5: Solve for x
    x = 27,349,433,867.69/186,715.40
  6. Step 6: Final answer
    x = 146,476.58

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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.