Home / 186,341.16-257,137.80-105,770.34

Finding the Fourth Proportional to 186,341.16, 257,137.80 and 105,770.34

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Solution

The fourth proportional to 186,341.16, 257,137.80 and 105,770.34 is: 145,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,341.16 : 257,137.80 = 105,770.34 : x
  2. Step 2: Convert to fraction form
    186,341.16/257,137.80 = 105,770.34/x
  3. Step 3: Cross multiply
    186,341.16x = 257,137.80 × 105,770.34
  4. Step 4: Simplify right side
    186,341.16x = 27,197,552,532.85
  5. Step 5: Solve for x
    x = 27,197,552,532.85/186,341.16
  6. Step 6: Final answer
    x = 145,955.69

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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.