Home / 207,332.95-286,207.74-139,389.34

Finding the Fourth Proportional to 207,332.95, 286,207.74 and 139,389.34

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Solution

The fourth proportional to 207,332.95, 286,207.74 and 139,389.34 is: 192,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,332.95 : 286,207.74 = 139,389.34 : x
  2. Step 2: Convert to fraction form
    207,332.95/286,207.74 = 139,389.34/x
  3. Step 3: Cross multiply
    207,332.95x = 286,207.74 × 139,389.34
  4. Step 4: Simplify right side
    207,332.95x = 39,894,307,981.49
  5. Step 5: Solve for x
    x = 39,894,307,981.49/207,332.95
  6. Step 6: Final answer
    x = 192,416.63

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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.