Home / 369,746.48-554,681.07-129,798.18

Finding the Fourth Proportional to 369,746.48, 554,681.07 and 129,798.18

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Solution

The fourth proportional to 369,746.48, 554,681.07 and 129,798.18 is: 194,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,746.48 : 554,681.07 = 129,798.18 : x
  2. Step 2: Convert to fraction form
    369,746.48/554,681.07 = 129,798.18/x
  3. Step 3: Cross multiply
    369,746.48x = 554,681.07 × 129,798.18
  4. Step 4: Simplify right side
    369,746.48x = 71,996,595,446.51
  5. Step 5: Solve for x
    x = 71,996,595,446.51/369,746.48
  6. Step 6: Final answer
    x = 194,718.81

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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.