Home / 186,427.37-257,277.05-105,862.45

Finding the Fourth Proportional to 186,427.37, 257,277.05 and 105,862.45

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Solution

The fourth proportional to 186,427.37, 257,277.05 and 105,862.45 is: 146,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,427.37 : 257,277.05 = 105,862.45 : x
  2. Step 2: Convert to fraction form
    186,427.37/257,277.05 = 105,862.45/x
  3. Step 3: Cross multiply
    186,427.37x = 257,277.05 × 105,862.45
  4. Step 4: Simplify right side
    186,427.37x = 27,235,978,841.77
  5. Step 5: Solve for x
    x = 27,235,978,841.77/186,427.37
  6. Step 6: Final answer
    x = 146,094.31

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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.