Home / 186,900.03-257,922.36-102,017.16

Finding the Fourth Proportional to 186,900.03, 257,922.36 and 102,017.16

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Solution

The fourth proportional to 186,900.03, 257,922.36 and 102,017.16 is: 140,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,900.03 : 257,922.36 = 102,017.16 : x
  2. Step 2: Convert to fraction form
    186,900.03/257,922.36 = 102,017.16/x
  3. Step 3: Cross multiply
    186,900.03x = 257,922.36 × 102,017.16
  4. Step 4: Simplify right side
    186,900.03x = 26,312,506,667.70
  5. Step 5: Solve for x
    x = 26,312,506,667.70/186,900.03
  6. Step 6: Final answer
    x = 140,783.85

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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.