Home / 163,715.04-245,703.74-84,851.82

Finding the Fourth Proportional to 163,715.04, 245,703.74 and 84,851.82

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Solution

The fourth proportional to 163,715.04, 245,703.74 and 84,851.82 is: 127,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,715.04 : 245,703.74 = 84,851.82 : x
  2. Step 2: Convert to fraction form
    163,715.04/245,703.74 = 84,851.82/x
  3. Step 3: Cross multiply
    163,715.04x = 245,703.74 × 84,851.82
  4. Step 4: Simplify right side
    163,715.04x = 20,848,409,095.55
  5. Step 5: Solve for x
    x = 20,848,409,095.55/163,715.04
  6. Step 6: Final answer
    x = 127,345.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.