Home / 186,369.50-257,176.68-105,798.62

Finding the Fourth Proportional to 186,369.50, 257,176.68 and 105,798.62

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Solution

The fourth proportional to 186,369.50, 257,176.68 and 105,798.62 is: 145,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,369.50 : 257,176.68 = 105,798.62 : x
  2. Step 2: Convert to fraction form
    186,369.50/257,176.68 = 105,798.62/x
  3. Step 3: Cross multiply
    186,369.50x = 257,176.68 × 105,798.62
  4. Step 4: Simplify right side
    186,369.50x = 27,208,937,840.18
  5. Step 5: Solve for x
    x = 27,208,937,840.18/186,369.50
  6. Step 6: Final answer
    x = 145,994.59

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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.