Home / 186,323.95-257,126.70-101,440.81

Finding the Fourth Proportional to 186,323.95, 257,126.70 and 101,440.81

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Solution

The fourth proportional to 186,323.95, 257,126.70 and 101,440.81 is: 139,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,323.95 : 257,126.70 = 101,440.81 : x
  2. Step 2: Convert to fraction form
    186,323.95/257,126.70 = 101,440.81/x
  3. Step 3: Cross multiply
    186,323.95x = 257,126.70 × 101,440.81
  4. Step 4: Simplify right side
    186,323.95x = 26,083,140,720.63
  5. Step 5: Solve for x
    x = 26,083,140,720.63/186,323.95
  6. Step 6: Final answer
    x = 139,988.13

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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.