Home / 186,288.21-257,075.24-101,405.07

Finding the Fourth Proportional to 186,288.21, 257,075.24 and 101,405.07

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Solution

The fourth proportional to 186,288.21, 257,075.24 and 101,405.07 is: 139,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,288.21 : 257,075.24 = 101,405.07 : x
  2. Step 2: Convert to fraction form
    186,288.21/257,075.24 = 101,405.07/x
  3. Step 3: Cross multiply
    186,288.21x = 257,075.24 × 101,405.07
  4. Step 4: Simplify right side
    186,288.21x = 26,068,732,200.44
  5. Step 5: Solve for x
    x = 26,068,732,200.44/186,288.21
  6. Step 6: Final answer
    x = 139,937.64

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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.