Home / 186,541.08-257,501.34-111,075

Finding the Fourth Proportional to 186,541.08, 257,501.34 and 111,075

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Solution

The fourth proportional to 186,541.08, 257,501.34 and 111,075 is: 153,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,541.08 : 257,501.34 = 111,075 : x
  2. Step 2: Convert to fraction form
    186,541.08/257,501.34 = 111,075/x
  3. Step 3: Cross multiply
    186,541.08x = 257,501.34 × 111,075
  4. Step 4: Simplify right side
    186,541.08x = 28,601,961,340.50
  5. Step 5: Solve for x
    x = 28,601,961,340.50/186,541.08
  6. Step 6: Final answer
    x = 153,327.95

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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.