Home / 249,389.37-344,155.19-136,209.69

Finding the Fourth Proportional to 249,389.37, 344,155.19 and 136,209.69

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Solution

The fourth proportional to 249,389.37, 344,155.19 and 136,209.69 is: 187,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,389.37 : 344,155.19 = 136,209.69 : x
  2. Step 2: Convert to fraction form
    249,389.37/344,155.19 = 136,209.69/x
  3. Step 3: Cross multiply
    249,389.37x = 344,155.19 × 136,209.69
  4. Step 4: Simplify right side
    249,389.37x = 46,877,271,741.79
  5. Step 5: Solve for x
    x = 46,877,271,741.79/249,389.37
  6. Step 6: Final answer
    x = 187,968.20

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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.